/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.catalina.tribes.test.transport;

import java.io.InputStream;
import java.math.BigDecimal;
import java.net.ServerSocket;
import java.net.Socket;
import java.text.DecimalFormat;

import org.apache.catalina.tribes.io.XByteBuffer;

public class SocketTribesReceive {
	static long start = 0;
	static double mb = 0;
	// static byte[] buf = new byte[32871];
	static byte[] buf = new byte[32871];
	static boolean first = true;
	static int count = 0;
	static DecimalFormat df = new DecimalFormat("##.00");
	static BigDecimal total = new BigDecimal((double) 0);
	static BigDecimal bytes = new BigDecimal((double) 32871);

	public static void main(String[] args) throws Exception {
		int size = 43800;
		if (args.length > 0)
			try {
				size = Integer.parseInt(args[0]);
			} catch (Exception x) {
			}
		XByteBuffer xbuf = new XByteBuffer(43800, true);
		ServerSocket srvSocket = new ServerSocket(9999);
		System.out.println("Listening on 9999");
		Socket socket = srvSocket.accept();
		socket.setReceiveBufferSize(size);
		InputStream in = socket.getInputStream();
		Thread t = new Thread() {
			public void run() {
				while (true) {
					try {
						Thread.sleep(1000);
						printStats(start, mb, count, df, total);
					} catch (Exception x) {
					}
				}
			}
		};
		t.setDaemon(true);
		t.start();

		while (true) {
			if (first) {
				first = false;
				start = System.currentTimeMillis();
			}
			int len = in.read(buf);
			if (len == -1) {
				printStats(start, mb, count, df, total);
				System.exit(1);
			}
			xbuf.append(buf, 0, len);
			if (bytes.intValue() != len)
				bytes = new BigDecimal((double) len);
			total = total.add(bytes);
			while (xbuf.countPackages(true) > 0) {
				xbuf.extractPackage(true);
				count++;
			}
			mb += ((double) len) / 1024 / 1024;
			if (((count) % 10000) == 0) {
				printStats(start, mb, count, df, total);
			}
		}

	}

	private static void printStats(long start, double mb, int count,
			DecimalFormat df, BigDecimal total) {
		long time = System.currentTimeMillis();
		double seconds = ((double) (time - start)) / 1000;
		System.out.println("Throughput " + df.format(mb / seconds)
				+ " MB/seconds messages " + count + ", total " + mb
				+ " MB, total " + total + " bytes.");
	}
}